67 lines
1.8 KiB
HTML
67 lines
1.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
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<TITLE>The Linux keyboard and console HOWTO: Some properties of the VT100 - application key mode</TITLE>
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<LINK HREF="Keyboard-and-Console-HOWTO-22.html" REL=next>
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<LINK HREF="Keyboard-and-Console-HOWTO-20.html" REL=previous>
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<LINK HREF="Keyboard-and-Console-HOWTO.html#toc21" REL=contents>
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<A HREF="Keyboard-and-Console-HOWTO-22.html">Next</A>
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<A HREF="Keyboard-and-Console-HOWTO-20.html">Previous</A>
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<A HREF="Keyboard-and-Console-HOWTO.html#toc21">Contents</A>
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<HR>
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<H2><A NAME="s21">21. Some properties of the VT100 - application key mode</A></H2>
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<P>
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<!--
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keyboard!VT100 application key mode
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-->
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<!--
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VT100 application key mode
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-->
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<P>: Sometimes my cursor keys or keypad keys produce strange codes?
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<P>When the terminal is in application cursor key mode the cursor keys
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produce Esc O x and otherwise Esc [ x where x is one of A,B,C,D.
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Certain programs put the terminal in application cursor key mode;
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if you kill them with <CODE>kill -9</CODE>, or if they crash, then the mode will
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not be reset.
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<PRE>
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% echo -e '\033c'
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</PRE>
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resets all properties of the current VC. Just changing the cursor
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application key mode is done by
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<PRE>
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% echo -e '\033[?1h'
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</PRE>
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(set) and
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<PRE>
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% echo -e '\033[?1l'
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</PRE>
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(clear).
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<P>When the terminal is in application keypad key mode the keypad keys
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produce Esc O y and otherwise Esc [ z ~ for
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certain y and z. Setting application keypad key mode is done by
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<PRE>
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% echo -e '\033='
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</PRE>
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and
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<PRE>
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% echo -e '\033>'
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</PRE>
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clears it again.
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<P>
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<HR>
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<A HREF="Keyboard-and-Console-HOWTO-22.html">Next</A>
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<A HREF="Keyboard-and-Console-HOWTO-20.html">Previous</A>
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<A HREF="Keyboard-and-Console-HOWTO.html#toc21">Contents</A>
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